GL Handler by Jiraiyah, Lumien, Judos
A core mod to handle open GL works, from drawing curves on gui, to what ever the group can patch together to help other mod developers that have no knowledge of open gl can use them.
Default World Generator by EzTerry, FireBall1725
A small mod to automatically select the default world generator for both single player and servers
Adds a powerful new ore to your game! Overpower your enemies with the dark diamond weapons and armor!
Equivalent Exchange Reborn by pahimar, x3n0ph0b3, MultipleMonomials
Don't you miss EE2? Come on, even a little bit?